Samsung Galaxy A55 5G vs Samsung Galaxy S21 Ultra
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Compared 2 smartphones : Samsung Galaxy A55 5G Manufactured in March, 2024, with display 6.6 with chipsetSamsung Exynos 1480, vs Samsung Galaxy S21 Ultra, Manufactured in February, 2021 with chipsetSamsung Exynos 2100. Below are specs, tests, pros and cons for each device
Key Differences
Reasons to choose Samsung Galaxy A55 5G
- Lighter design: 213g vs 227g
- Newer Bluetooth version: 5.3 vs 5.2
Reasons to choose Samsung Galaxy S21 Ultra
- Larger display: 6.8in
- Higher pixel density: 515ppi
- Supports newer USB: 3.2 vs 2
Versions
| Memory Options | - 6/128 GB - 6/256 GB - 8/128 GB - 8/256 GB - 12/256 GB |
- 12/128 GB - 12/256 GB - 12/512 GB - 16/256 GB - 16/512 GB |
Review
Display
Color accuracy, sharpness & brightness
Camera
Main & front camera tests
Performance
App & system performance
Games
3D gaming performance
Battery
Battery life, charging speed & type
Connectivity
Connectivity features
Adjust each parameter’s importance to find the best match for you.
Tests & specs
Specs & test comparisonDisplay
| Type | Super AMOLED | Dynamic AMOLED |
| Size | 6.6 in | 6.8 in |
| Resolution | 1080x2340 pixels | 1440x3200 pixels |
| Aspect ratio | 19.5:9 | 20:9 |
| Pixel density | 390 ppi | 515 ppi |
| Refresh rate | 120 Hz | 120 Hz |
| Adaptive refresh rate | Yes (60-120 Hz) | Yes (10-120 Hz) |
| Max brightness | 1000 nits | 1500 nits |
| HDR support | Yes HDR10+ | Yes HDR10+ |
| Touch Sampling Rate | 240 Hz | n/a |
| Screen-to-body ratio | 85.8 % | 89.5 % |
| Features | - DCI-P3 - Always-On Display |
- DCI-P3 - Always-On Display |
| sRGB gamut | 100 % | n/a |
| PWM (Flicker) | 120 Hz | n/a |
| Response time | 1 ms | n/a |
| Contrast | ∞ Infinite | n/a |
Design & Build
| Height | 161.1 mm (6.34 in) | 165.1 mm (6.5 in) |
| Width | 77.4 mm (3.05 in) | 75.6 mm (2.98 in) |
| Thickness | 8.2 mm (0.32 in) | 8.9 mm (0.35 in) |
| Weight | 213 g (7.51 oz) | 227 g (8.01 oz) |
| Water resistance | IP67 | IP68 |
| Cooling system | Vapor chamber | n/a |
| Back panel | Glass | Glass |
| Frame | Metal | Metal |
| Colors | - White - Blue - Purple - Yellow |
- Black - Silver - Gray - Blue |
| Fingerprint sensor | Yes In-Display | Yes In-Display |
Screen-to-body ratio
Performance
| Chipset | Samsung Exynos 1480 | Samsung Exynos 2100 |
| Max Frequency | 2750 MHz | 2900 MHz |
| CPU Cores | 8 (4 + 4) | 8 (1 + 3 + 4) |
| Architecture | - 4/2 (Cortex-A55) - 4/2.75 (Cortex-A78) |
- 4/2.2 (Cortex-A55) - 3/2.81 (Cortex-A78) - 1/2.91 (Cortex-X1) |
| Process | Samsung | Samsung |
| Transistor Size | 4 nm | 5 nm |
| Neural Processor | Yes | Yes |
| Graphics | Samsung Xclipse 530 | Mali-G78 MP14 |
| GPU Cores | 128 | 896 |
| GPU Frequency | 1300 MHz | 854 MHz |
| FLOPS | 332.8 GFLOPS | 1530.4 GFLOPS |
| Geekbench 6 (Single-Core) | 1168 | 1449 |
| Geekbench 6 (Multi-Core) | 3503 | 3892 |
| CPU | 233611 | 232358 |
| GPU | 175311 | 256356 |
| Memory | 139428 | 163007 |
| UX | 175271 | 191217 |
| NanoReview Score | 723621 | 843008 |
| Max Surface Temp. | n/a | 40.8 °C |
| Stability | n/a | 69 % |
| Graphics Test | n/a | 31 fps |
| Graphics Score | n/a | 5221 |
| Writing score | 17087 | n/a |
| Web score | 11775 | n/a |
| Video editing | 7278 | n/a |
| Data manipulation | 11305 | n/a |
| NanoReview Score | 13120 | n/a |
Memory
| RAM Size | 6 GB | - 12 GB - 16 GB |
| Memory Type | LPDDR5 | LPDDR5 |
| Memory Frequency | 3200 MHz | 2750 MHz |
| Channels | 4 | 2 |
| Storage Capacity | 128 GB | - 128 GB - 256 GB - 512 GB |
| Storage Type | UFS 3.1 | UFS 3.1 |
| Memory Card | MicroSD | No |
Software
| OS | Android 14 | Android 11 (Upgradeable to Android 14) |
| OS Size | 20.1 GB | 26.4 GB |
| UI Skin | One UI 6.1 | One UI 6 |
Battery
| Volume | 5000 mAh | 5000 mAh |
| Max Charging Power | 25 W | 25 W |
| Battery Type | Li-ion | Li-ion |
| Removable | No | No |
| Wireless Charging | No | Yes (15 W) |
| Reverse Charging | No | Yes (Wireless) |
| Fast Charging | Yes (55% in 30 min) | Yes (54% in 30 min) |
| Full Charge Time | 1:03 h | 1:11 h |
| Web Browsing | 10:24 h | 07:58 h |
| Video Playback | 17:52 h | 13:59 h |
| Games | 05:16 h | 05:14 h |
| Standby Mode | 125 h | 111 h |
Main camera
| Matrix | 50 MP | 108 MP |
| Photo resolution | 8160x6120 pixels | 12000x9000 pixels |
| Zoom | 75 | Optical, 10x |
| Flash | LED | Dual LED |
| Stabilization | Optical | Optical |
| 8K Recording | No | Up to 24FPS |
| 4K Recording | Yes (Up to 30 fps) | Yes (Up to 60 fps) |
| 1080p Recording | Yes (Up to 60 fps) | Yes (Up to 60 fps) |
| Slow Motion | 240 fps (720p) | 960 fps (720p) |
| Wide-angle lens | 123 ° | 120 ° |
| Lenses count | Standard: 50 MP Ultra-wide: 12 MP Macro: 5 MP |
Standard: 108 MP Telephoto: 10 MP Telephoto: 10 MP Ultra-wide: 12 MP |
| Features | - Bokeh effect - Pro mode |
- Bokeh effect - Pro mode - RAW support |
| Matrix | 50 MP | 108 MP |
| Aperture | f/1.8 | f/1.8 |
| Focal length | n/a | 26 mm |
| Sensor | Sony IMX906 | Samsung S5KHM3 |
| Sensor size | 1/1.56 | 1/1.33 |
| Pixel size | 1 μm | 0.8 μm |
| Autofocus | Phase autofocus | Laser autofocus |
| Stabilization | Optical | Optical |
| Matrix | n/a | 10 MP |
| Aperture | n/a | f/4.9 |
| Focal length | n/a | 240 mm |
| Sensor | n/a | Samsung S5K3J1 |
| Sensor size | n/a | 1/2.65 |
| Pixel size | n/a | 1.22 μm |
| Stabilization | n/a | Optical |
| Matrix | 12 MP | 12 MP |
| Aperture | f/2.2 | f/2.2 |
| Focal length | n/a | 13 mm |
| Sensor | Sony IMX258 | Sony IMX563 |
| Sensor size | 1/3.06 | 1/2.55 |
| Pixel size | 1.12 μm | 1.4 μm |
| Stabilization | Digital | Digital |
| Bokeh | 45 | 70 |
| Preview | 54 | 67 |
| Zoom | n/a | 106 |
Front camera
| Matrix | 32 MP | 40 MP |
| Photo resolution | 6464x4864 pixels | 7864x5200 pixels |
| Aperture | f/2.2 | f/2.2 |
| Focal length | 26 mm | 26 mm |
| Sensor | Sony IMX616 | Samsung S5KGH1 |
| Sensor size | 1/2.74 | 1/2.65 |
| Pixel size | 0.8 μm | 0.7 μm |
| Autofocus | No | Phase autofocus |
| Stabilization | Digital | Digital |
| Video resolution | 2160p (4K) at 30 fps | 2160p (4K) at 60 fps |
| TOF 3D sensor | No | No |
Connectivity
| Wi-Fi version | Wi-Fi 6 (802.11 a/b/g/n/ac/ax) | Wi-Fi 6E (802.11 a/b/g/n/ac/ax) |
| Wi-Fi features | - Dual Band - Wi-Fi MiMO - Wi-Fi Direct - Wi-Fi Hotspot - Wi-Fi Display |
- Dual Band - Wi-Fi MiMO - Wi-Fi Direct - Wi-Fi Hotspot - Wi-Fi Display |
| Bluetooth version | 5.3 | 5.2 |
| Bluetooth features | LE | LE, A2DP |
| USB type | USB Type-C | USB Type-C |
| USB version | 2 | 3.2 |
| USB features | - Charging - USB Storage Mode - OTG |
- Charging - USB Storage Mode - USB-Host mode - OTG |
| GPS | - GPS - GLONASS - Beidou - Galileo - QZSS |
- GPS - GLONASS - Beidou - Galileo |
| NFC* | Varies by region | Yes |
| Infrared Port | No | No |
| SIM Count* | 2 | 2 |
| SIM Type | Nano | Nano |
| SIM Mode | Dual SIM Standby | Dual SIM Standby |
| eSIM Support * | Yes | Yes |
| Hybrid Slot | Yes | No |
| 2G Bands | GSM850, GSM900, DCS1800, PCS1900 | GSM 850, 900, 1800, 1900 MHz |
| 3G Bands | UMTS B1(2100), B2(1900), B4(AWS), B5(850), B8(900) | WCDMA Band 1, 2, 4, 5, 8 |
| LTE Bands* | LTE (B1/B2/B3/B4/B5/B7/B8/B12/B13/B17/B20/B25/B26/B28/B66) | LTE (B1/B2/B3/B4/B5/B7/B8/B12/B13/B17/B18/B19/B20/B25/B26/B28/B32/B38/B39/B40/B41/B66) |
| LTE category | 18 | 24 |
| 5G Support | Yes | Yes |
Sound
| Speakers | n/a | Stereo |
| 3.5 mm Jack | No | No |
| FM Radio | No | No |
| Dolby Atmos | Yes | Yes |
Other
| Class | Mid-range | Flagship |
| Announced | March, 2024 yr | January, 2021 yr |
| Release Date | March, 2024 yr | February, 2021 yr |
| Launch Price ($) | n/a | 1200 |
| MSRP ($) | 439 | n/a |
| Sensors | - Hall Sensor - Barometer - Gyroscope - Accelerometer - Ambient Light Sensor - Compass - Fingerprint sensor |
- Hall Sensor - Barometer - Proximity Sensor - Gyroscope - Accelerometer - Ambient Light Sensor - Compass - Fingerprint sensor |
| Charger Included | No | n/a |
Note
Samsung Galaxy A55 5G:
The barometer is only available in the model for the USA. SM-A556B/DS and A556E/DS models come with two physical SIM cards.
*
Attention!
Config, frequencies, NFC, and other specs may vary by region.
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